EP1744513A3 - Dispositif pour la démodulation de OFDM et dispositif et procédé pour la calculation de la fréquence Doppler - Google Patents

Dispositif pour la démodulation de OFDM et dispositif et procédé pour la calculation de la fréquence Doppler Download PDF

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Publication number
EP1744513A3
EP1744513A3 EP06253599A EP06253599A EP1744513A3 EP 1744513 A3 EP1744513 A3 EP 1744513A3 EP 06253599 A EP06253599 A EP 06253599A EP 06253599 A EP06253599 A EP 06253599A EP 1744513 A3 EP1744513 A3 EP 1744513A3
Authority
EP
European Patent Office
Prior art keywords
doppler frequency
received signal
signal point
modulated component
frequency calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06253599A
Other languages
German (de)
English (en)
Other versions
EP1744513A2 (fr
EP1744513B1 (fr
Inventor
Takahiro Okada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Publication of EP1744513A2 publication Critical patent/EP1744513A2/fr
Publication of EP1744513A3 publication Critical patent/EP1744513A3/fr
Application granted granted Critical
Publication of EP1744513B1 publication Critical patent/EP1744513B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/01—Equalisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2649—Demodulators
    • H04L27/26524—Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2657—Carrier synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2679—Decision-aided
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0032—Correction of carrier offset at baseband and passband
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Radar Systems Or Details Thereof (AREA)
EP06253599.2A 2005-07-15 2006-07-10 Dispositif et procédé pour la calculation de la fréquence doppler Active EP1744513B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005207417A JP4297093B2 (ja) 2005-07-15 2005-07-15 ドップラー周波数算出装置及び方法、並びにｏｆｄｍ復調装置

Publications (3)

Publication Number Publication Date
EP1744513A2 EP1744513A2 (fr) 2007-01-17
EP1744513A3 true EP1744513A3 (fr) 2012-01-25
EP1744513B1 EP1744513B1 (fr) 2016-08-31

Family

ID=37086104

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06253599.2A Active EP1744513B1 (fr) 2005-07-15 2006-07-10 Dispositif et procédé pour la calculation de la fréquence doppler

Country Status (5)

Country Link
US (1) US7724694B2 (fr)
EP (1) EP1744513B1 (fr)
JP (1) JP4297093B2 (fr)
KR (1) KR101301402B1 (fr)
CN (1) CN100583863C (fr)

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JP4961918B2 (ja) * 2006-09-12 2012-06-27 ソニー株式会社 Ｏｆｄｍ受信装置及びｏｆｄｍ受信方法
JP4816353B2 (ja) * 2006-09-12 2011-11-16 ソニー株式会社 Ｏｆｄｍ受信装置及びｏｆｄｍ信号受信方法
JP5073433B2 (ja) * 2007-02-22 2012-11-14 ラピスセミコンダクタ株式会社 Ｏｆｄｍ受信機
EP2109974B1 (fr) * 2007-01-29 2019-10-16 III Holdings 6, LLC Procédé d'estimation de la voie de transmission d'un signal à porteuses multiples à sélection temporelle ou interpolation de domaine de fréquence selon le décalage de fréquence pilote en continu
JP4917956B2 (ja) * 2007-04-26 2012-04-18 京セラ株式会社 無線通信装置及び信号処理方法
JP2009100370A (ja) * 2007-10-18 2009-05-07 Toshiba Corp 伝送制御情報処理回路および受信装置
US8069142B2 (en) * 2007-12-06 2011-11-29 Yahoo! Inc. System and method for synchronizing data on a network
JP5076239B2 (ja) * 2008-02-05 2012-11-21 株式会社メガチップス Ｏｆｄｍ受信装置
US8831063B2 (en) * 2008-03-18 2014-09-09 Qualcomm Incorporated Single carrier burst structure for decision feedback equalization and tracking
JP5169423B2 (ja) * 2008-04-16 2013-03-27 富士通株式会社 移動局装置及び伝送路推定方法
JP4774435B2 (ja) * 2008-11-21 2011-09-14 株式会社半導体理工学研究センター ドップラー周波数推定装置、受信装置、プログラム、及びドップラー周波数推定方法
CN102449501A (zh) * 2009-04-10 2012-05-09 株式会社泛泰 用于使用模数或序列生成信号模式的方法及其装置
JP2010268136A (ja) * 2009-05-13 2010-11-25 Fujitsu Ltd 受信装置
US9264151B1 (en) * 2009-07-29 2016-02-16 Shopkick, Inc. Method and system for presence detection
US8489112B2 (en) 2009-07-29 2013-07-16 Shopkick, Inc. Method and system for location-triggered rewards
JP4975085B2 (ja) 2009-11-09 2012-07-11 三菱電機株式会社 受信装置および方法
CA2789648C (fr) * 2010-02-11 2018-08-21 Sony Corporation Appareil et procede de mappage pour transmission de donnees dans un systeme de diffusion multi-porteuses
KR101027650B1 (ko) * 2010-02-16 2011-04-12 충북대학교 산학협력단 코드북을 이용한 빔포밍 시스템에서 최대 도플러 주파수 추정방법
JP5865172B2 (ja) * 2012-05-09 2016-02-17 富士通株式会社 受信装置および受信方法
CN102998659B (zh) * 2012-12-07 2014-10-22 清华大学 基于脉间调制的多普勒频谱赋形方法及系统
EP3316539A4 (fr) 2015-06-29 2019-05-15 LG Electronics Inc. Appareil et procédé pour émettre-recevoir des signaux de diffusion
JP6410747B2 (ja) * 2016-02-26 2018-10-24 三菱電機株式会社 受信装置及び受信方法
US10097225B1 (en) * 2017-08-31 2018-10-09 Bae Systems Information And Electronic Systems Integration Inc. All-digital blind adaptive receiver for non-cooperative communications and signal exploitation
CN110830196B (zh) * 2018-08-09 2021-11-02 大唐移动通信设备有限公司 一种时长配置方法、装置及设备
US10855493B1 (en) 2019-12-20 2020-12-01 Samsung Electronics Co., Ltd. Low-complexity doppler estimator
TWI792403B (zh) * 2021-07-09 2023-02-11 瑞昱半導體股份有限公司 加速通訊系統解碼的方法、接收端裝置與非暫態電腦可讀取媒體

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WO2000057568A1 (fr) * 1999-03-22 2000-09-28 Ericsson Inc. Systeme d'estimation de l'etalement doppler
US20050105647A1 (en) * 2003-11-13 2005-05-19 Leif Wilhelmsson Channel estimation by adaptive interpolation

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US20050105647A1 (en) * 2003-11-13 2005-05-19 Leif Wilhelmsson Channel estimation by adaptive interpolation

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Also Published As

Publication number Publication date
US7724694B2 (en) 2010-05-25
CN100583863C (zh) 2010-01-20
CN1897586A (zh) 2007-01-17
JP4297093B2 (ja) 2009-07-15
EP1744513A2 (fr) 2007-01-17
EP1744513B1 (fr) 2016-08-31
JP2007028201A (ja) 2007-02-01
KR20070009418A (ko) 2007-01-18
US20070030798A1 (en) 2007-02-08
KR101301402B1 (ko) 2013-08-28

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